
96
5
Ports and Connectors
EC200/210/220/221-LR6880
COM 3 to COM 6 RS232/RS422/RS485 Select
JP1 JP2 JP5 JP8
COM 3
(JP1)
COM 4
(JP2)
COM 5
(JP5)
COM 6
(JP8)
1-2 On: RS232
(default)
3-4 On: RS422
Full Duplex
5-6 On: RS485
64
2
531
JP1 (for COM 3), JP2 (for COM 4), JP5 (for COM 5) and JP8 (for COM6) are used
to confi gure the COM ports to RS232, RS422 (Full Duplex) or RS485.
The pin function of the COM ports will vary according to the jumper’s setting.
JP1 / JP2 / JP5 / JP8
64
2
64
2
531531
COM 3 / COM 4
COM 5 / COM 6
DCD
TXD
RXD
DTR
GND
12345
689
7
DSR
CTS
RTS
RI
RX+
TX+
RX-
TX-
GND
12345
689
7
N.C.
N.C.
N.C.
N.C.
DATA+
N.C.
DATA-
N.C.
GND
12345
689
7
N.C.
N.C.
N.C.
N.C.
DTR
RxD
CTS
284
DCD
TxD
GND
1
3
5
RTS
RI
7
9
DSR
6
Tx-
Rx-
N.C.
284
Rx+
Tx+
GND
1
3
5
N.C.
N.C.
7
9
N.C.
6
N.C.
DATA-
N.C.
284
DATA+
N.C.
GND
1
3
5
N.C.
N.C.
7
9
N.C.
6
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